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9089945 = 52379043
BaseRepresentation
bin100010101011…
…001110011001
3122002211001122
4202223032121
54311334240
6522455025
7140156204
oct42531631
918084048
109089945
115149457
123064475
131b63587
1412c893b
15be84b5
hex8ab399

9089945 has 8 divisors (see below), whose sum is σ = 11382336. Its totient is φ = 6955696.

The previous prime is 9089929. The next prime is 9089947. The reversal of 9089945 is 5499809.

9089945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9089945 - 24 = 9089929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9089896 and 9089905.

It is not an unprimeable number, because it can be changed into a prime (9089947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39407 + ... + 39636.

It is an arithmetic number, because the mean of its divisors is an integer number (1422792).

Almost surely, 29089945 is an apocalyptic number.

It is an amenable number.

9089945 is a deficient number, since it is larger than the sum of its proper divisors (2292391).

9089945 is a wasteful number, since it uses less digits than its factorization.

9089945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79071.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 9089945 is about 3014.9535651482. The cubic root of 9089945 is about 208.6990242102.

The spelling of 9089945 in words is "nine million, eighty-nine thousand, nine hundred forty-five".

Divisors: 1 5 23 115 79043 395215 1817989 9089945